Phylace or Phylake (Φυλακή, Phylake; plural: Φυλακαί Phylakai - lit. "prison") may refer to: Phylace (Arcadia), an ancient Greek city in Arcadia Phylace (Epirus), an ancient Greek city in Epirus Phylace (Thessaly), an ancient Greek city in Thessaly Phylace (Pieria), an ancient Greek city in Macedonia Amblyscirtes phylace, a species of butterfly of the family Hesperiidae Eulithis (syn. Phylace), a genus of moth in the family Geometridae A term used to denote Hell or Tartarus A term referring to the spirits in prison

See also Phylacia, a genus of fungi in the family Xylariaceae Phylakitai, the police of Ptolemaic Egypt